=x^3+8x^2+16x

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Solution for =x^3+8x^2+16x equation:


Simplifying
0 = x3 + 8x2 + 16x

Reorder the terms:
0 = 16x + 8x2 + x3

Solving
0 = 16x + 8x2 + x3

Solving for variable 'x'.
Remove the zero:
-16x + -8x2 + -1x3 = 16x + 8x2 + x3 + -16x + -8x2 + -1x3

Reorder the terms:
-16x + -8x2 + -1x3 = 16x + -16x + 8x2 + -8x2 + x3 + -1x3

Combine like terms: 16x + -16x = 0
-16x + -8x2 + -1x3 = 0 + 8x2 + -8x2 + x3 + -1x3
-16x + -8x2 + -1x3 = 8x2 + -8x2 + x3 + -1x3

Combine like terms: 8x2 + -8x2 = 0
-16x + -8x2 + -1x3 = 0 + x3 + -1x3
-16x + -8x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-16x + -8x2 + -1x3 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(16 + 8x + x2) = 0

Factor a trinomial.
-1x((4 + x)(4 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 3

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {0, -4, -4}

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